Miyatake Seisakusho Proportion Chair ※With auxiliary cushion Retail Price: ¥12,800 - ¥18,040 ■Product Overview This is the popular balance chair "Proportion Chair" from Miyatake Seisakusho. It's designed to encourage proper posture, making it effective for children's study time and adults' desk work posture improvement. The design supports weight on the knee rest, naturally straightening the back. ■Product Specifications ・Color: Brown ・Size: Width 48.5 x Depth 61-68 x Height 43-64cm ・Weight: Approximately 7kg ・Weight Capacity: Approximately 80kg ・Suitable Height: 110cm to adults ■Materials & Features ・Upholstery: Acrylic ・Frame: Natural wood (lacquer coating) ・Cushion: Urethane foam ・Other: Plywood used ■Product Features ✓ Seat height adjustment function (4 levels: 43-64cm) ✓ Seat depth adjustment function (11-level adjustment) ✓ Casters for smooth movement ✓ Naturally maintains correct posture ✓ Expected to improve concentration ✓ Suitable for a wide range of users, from children to adults ✓ Ideal as a study chair or desk chair ✓ Effective for preventing lower back pain and improving posture ■Product Condition There are minor scuffs from use and slight sagging of the seat, but the adjustment functions and casters work without any problems, and the condition is good.